TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM) (Continued)
11-277
644.
Set CIRCUIT SELECT A UNITS switch (18) to 6.
645.
Set CONTROL PANEL SIMULATION RADAR
switch (24) to DISENG.
646.
Set METER RANGE switch (7) to 2V.
647.
Set SERVO SIMULATION ACTUATOR
SIMULATION CCD switch (67) to NORMAL.
648.
Set METER switch (6) to AC. Wait 90 seconds.
Read AC/DC VOLTMETER (10). Reading shall
be +0.250 or less.
649.
Set ANALOG SIGNALS RAD ALT switch (63)
to 2.
650.
Set DISCRETE SIGNALS ALT VALID switch (21)
to 0.
651.
Set METER RANGE switch (7) to 20V.
652.
Set CIRCUIT SELECT A UNITS switch (18) to 3.
653.
Set ANALOG SIGNALS BARO ALT switch (25)
to 1.
654.
Set SERVO SIMULATION ACTUATOR
SIMULATION CCD switch (67) to GND.
655.
Set METER switch (6) to DC.
656.
Set RESPONSE TEST MODE switch (43) to
ON. Read and record V12 AC/DC VOLTMETER
(10) reading.
657.
Set RESPONSE TEST TIME DELAY-SEC
switches (40) to 0.5.
Change 1
11-1126.1